Sentences with phrase «plga nanofiber»

A group of scientists claim that they were able to find a way that can help convert atmospheric CO2 into carbon nanofibers.
Finally, the steel fibers will house in the carbon nanofibers, which can be extracted thereafter.
NEMOSINE will improve the traditional storing solutions by developing an innovative packaging from nanofibers and antifungal composites.
First the plants are dried and then mechanically pulped into micro - or nanofibers.
The best nursing sleep bra you can buy uses far - infrared nanofibers to improve blood blow in the breasts.
«Drawing inspiration from plants and animals to restore tissue: Nanofiber dressings heal wounds, promote regeneration.»
Ramakrishna, for example, is engineering nanofibers for a physical structure with the right chemical, biological, and electrical cues to regenerate heart tissues.
For example, researchers are developing «smart» biomaterials such as temperature - sensing hydrogels that can respond biologically to environmental conditions by changing their biomechanical or drug - releasing properties, says Seeram Ramakrishna, a professor of mechanical engineering and director of the Center for Nanofibers & Nanotechnology at the National University of Singapore.
We obtained high - quality cardiac tissue - like constructs (CTLCs) by cultivating hiPSC - CMs on aligned nanofibers made of biodegradable polymer.
This scanning electron microscopy image shows the self - assembled nanofibers that make up the hydrogel.
The MIT team developed a neuron - healing mixture they call self - assembling peptide nanofiber scaffold solution — or in simpler terms, a solution that contains peptides (molecules related to proteins) shaped like miniature combs.
«Nano Neuro Knitting: Peptide Nanofiber Scaffold for Brain Repair and Axon Regeneration With Functional Return of Vision,» published in Proceedings of the National Academy of Sciences.
«When an alkane is present, it sticks in between the two materials, blocking the electron transfer between the two nanofibers
As a final step, the researchers treated their nanofibers with carboxymethanol, which coated the fibers in carboxyl groups.
At Northwestern University, chemist Samuel Stupp and his research team have developed various types of amphiphile molecules (each end is chemically attracted to a different kind of material) that form self - assembling nanofibers, which in turn can prompt the regeneration of bone and brain cells.
The result: defect - free nanofibers about 1000 times smaller than typical cellulose fibers.
Shuguang Zhang of MIT, who also invented a solar cell based on spinach, developed the nanofiber scaffold solution in 1990.
Water - rich biomimetic composites with abiotic self - organizing nanofiber network.
Last year, scientists at the University of Akron in Ohio used X-ray imaging and other techniques to discover that the penguins produce the blue color in an entirely new way: with bundles of parallel nanofibers, like handfuls of uncooked spaghetti, that scatter light so as to produce the rich blue.
This up - close electron microscope view shows the nanofiber and polymer network that composes a new kind of synthetic cartilage and gives this water - based material its strength.
In future, it may be possible to use nanofibers to improve the attachment of bone implants, or the fibers may be used directly to scaffold bone regeneration.
«Nanofibers developed for healing bone fractures.»
He also studied the apparatus used for nanofiber production.
The researchers created a new gel, based on small molecules which self - assemble into nanofibers which could interact with a variety of anti-inflammatory, painkiller drugs, including iburofen and naproxen.
And researchers in the United States have just come up with a new process to use sunlight to make high - strength and light carbon nanofibers, which are used in consumer products and building materials.
Their new catalyst possesses the structure of nanofiber - based perovskite materials and exhibits excellent electrochemical performance, close to that of today's precious metal catalysts, yet it is still inexpensive.
One is a peptide molecule which self - assembles into nanofibers.
The peptide molecules self - assemble into long structures called nanofibers, which come together to form a molecular «scaffold.»
That would make a 1 - kilogram nanofiber suit cost a cool $ 350,000.
Until scientists learn to spin STEP's carbon nanofibers into long commercially usable fibers, he says, it's too early to hail the process as an environmental breakthrough.
Today in Nano Letters, the group presents a process that turns atmospheric CO2 into carbon nanofibers similar to valuable materials used in industries such as aerospace, construction, and electronics.
One major hurdle, Tour says, is that STEP can't yet produce usable nanofibers.
Researchers have invented a process that turns atmospheric carbon dioxide into carbon nanofibers.
Cutting the price through STEP would be a real «game - changer,» Licht says: Cheaper nanofibers would lead to greater commercial use and, in turn, to less carbon in the atmosphere.
Then, one of four other metals (nickel, cobalt, copper, or iron) acts as a scaffold, known as a nucleation site, on which the nanofiber continues to grow.
The team found that with the right combination of metals, voltage, and temperature, STEP's coulombic efficiency (a classic measure of chemical yield used to determine how efficiently the product is made) hovered around 95 %, meaning that in STEP's case, 95 % of the current worked toward producing the carbon nanofibers, and only 5 % powered other side reactions.
First, zinc sparks the process of nanofiber formation.
The nanofiber size and pore size of the hydrogel are in the similar range of a natural extracellular matrix in the biological system.
Hartgerink and lead author Vivek Kumar, a postdoctoral researcher at Rice, viewed clotting as a good avenue of investigation for practical application of KOD, a synthetic protein made of 36 amino acids that self - assemble into triple - helix nanofibers and hydrogels.
«We want our research to inform manufacturers and regulators about safer options when a nanofiber is being selected for the production of nanomaterials for emerging technologies»
The W - TENG is 3 - D printed out of a graphene - PLA nanofiber (A), creating the bottom electrode of the technology (B).
«We decided to look at nanofibers specifically as they are extremely fine and allowed us to easily determine if the sterilisation treatment affected the scaffold's structure.
These include nanospheres which can be biodegradable and could potentially be used in drug delivery applications, as well as nanofibers which form gel - phase materials, that can be used in a variety of applications, including cosmetics or biodegradable plastics that can withstand harsh conditions.
Made from keratin, the same material as human hair, these nanofibers are packed together like bundles of uncooked spaghetti, the team reports online today in Biology Letters.
This is a new mechanism for giving feathers a blue color, the authors say; similar nanofibers are found in the blue skin of other birds, such as Emus, but those fibers are made of collagen.
The nanofibers» structural resemblance to proteins like collagen and elastin found in connective tissue make silk an ideal scaffolding material for vascular grafts and bone / cartilage engineering.
Inspired by these structures, researchers created a membrane of tiny overlapping nanofibers with similar deicing powers, which may pave the way for uniquely ice - resistant materials.
But researchers say the nanofibers» huge surface area should allow for more harvesting power than the current plastic thread method.
«Our findings suggest that cellulose nanofibers extracted from banana waste could help improve ice cream in several ways,» Robin Zuluaga Gallego, Ph.D., says.
They chemically modified the nanofibers to make them stick to uranium, and dropped them in uranium - spiked water.
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